Early termination option (ETO) — Allows a player to terminate his contract early.Player option (PO) — Allows a player to accept or decline the final year of his deal.Team option (TO) — Allows a team to accept or decline an option year.Unrestricted free agent (UFA) — Allowed to sign with the team of his choosing.Restricted free agent (RFA) — Subject to the right of first refusal from incumbent team.